State law strictly limits how much you can buy or carry at one time: Up to 1 ounce (28.5 grams).

Up to 6 immature cannabis plants for personal cultivation. Ways to Buy What's legal - Department of Cannabis Control

Up to 8 grams (includes vapes, oils, and extracts).

Buying cannabis in Northern California is legal for adults aged 21 and older (recreational) or 18 and older with a valid medical recommendation. You must provide a such as a driver's license or passport for every purchase. Purchase & Possession Limits

DMCA 18 USC 2257 Compliance Statement